When teaching a teenage with acne who has requested information about cleansing the affected skin the following information should be included. Gently clean the skin with soap not more than twice a day avoid picking or squeezing hygiene of scalp and hair should be observed Avoid touching your face Use sunscreen always, even on cloudy days Make sure you use water based cosmetics
I am pretty confident that the answer is D) mouthpieces for breathing. This is the only way they can stay underwater for long periods of time. If they came up every 10 seconds for breath, they would waste a lot of time.